Researchers Uncover 4-Month Cyberattack on U.S. Firm Linked to Chinese Hackers

A suspected Chinese threat actor targeted a large U.S. organization earlier this year as part of a four-month-long intrusion. According to Broadcom-owned Symantec, the first evidence of the malicious activity was detected on April 11, 2024 and continued until August. However, the company doesn't...

Hackers Exploit PHP Vulnerability to Deploy Stealthy Msupedge Backdoor

A previously undocumented backdoor named Msupedge has been put to use against a cyber attack targeting an unnamed university in Taiwan. "The most notable feature of this backdoor is that it communicates with a command-and-control C&C server via DNS traffic," the Symantec Threat Hunter Team, part ...

Black Basta Ransomware May Have Exploited MS Windows Zero-Day Flaw

Threat actors linked to the Black Basta ransomware may have exploited a recently disclosed privilege escalation flaw in the Microsoft Windows Error Reporting Service as a zero-day, according to new findings from Symantec. The security flaw in question is CVE-2024-26169 CVSS score: 7.8, an elevati...

Buhti Ransomware Gang Switches Tactics, Utilizes Leaked LockBit and Babuk Code

The threat actors behind the nascent Buhti ransomware have eschewed their custom payload in favor of leaked LockBit and Babuk ransomware families to strike Windows and Linux systems. "While the group doesn't develop its own ransomware, it does utilize what appears to be one custom-developed tool,...

Iran-linked APT33 Shakes Up Cyberespionage Tactics

Following a recent report detailing APT33’s infrastructure and tactics, the Iranian state-sponsored threat actor shook up its cyberespionage efforts by adopting new tools and reassigning key domain infrastructure. The infrastructure overhaul stems from a March 2019 Symantec report exposing the...

Chinese Hackers Used NSA Hacking Tools Before Shadow Brokers Leaked Them

In a shocking revelation, it turns out that a hacking group believed to be sponsored by Chinese intelligence had been using some of the zero-day exploits linked to the NSA's Equation Group almost a year before the mysterious Shadow Brokers group leaked them. According to a new report published by...

Hackers Behind Healthcare Espionage Infect X-Ray and MRI Machines

Security researchers have uncovered a new hacking group that is aggressively targeting healthcare organizations and related sectors across the globe to conduct corporate espionage. Dubbed "Orangeworm," the hacking group has been found installing a wormable trojan on machines hosting software used...

Estimating the Cost of Internet Insecurity

It's really hard to estimate the cost of an insecure Internet. Studies are all over the map. A methodical study by RAND is the best work I've seen at trying to put a number on this. The results are, well, all over the map: "Estimating the Global Cost of Cyber Risk: Methodology and Examples":...

Shylock Trojan Going Global with New Features, Resilient Infrastructure

The prolific, credential-stealing Shylock banking Trojan is growing increasingly sophisticated as its creators continue adding new modules and functionalities to the man-in-the-browser malware, according to a Symantec report. To this point, Shylock has made its money via man-in-the-browser attack...

Researchers Find Stuxnet Older Than Previously Believed

Researchers on Tuesday said they have proof the Stuxnet worm used to cripple Iran’s nuclear program has been in the wild two years longer than first believed. There’s also now evidence the military-grade malware’s origins date back to 2005, and possibly earlier. According to an 18-page report,...

Large-Scale Water Holing Attack Campaigns Hitting Key Targets

A new APT-style espionage campaign launched this summer targeting organizations tied to financial services, government agencies and the defense industry used a technique dubbed water holing to entice victims and silently redirect them to sites hosting zero-day exploits. Researchers at RSA Securit...

Bogus Netflix Application For Android Steals Passwords, Won't Let You Watch Movies

A report from Symantec claims that malware authors tricked an untold number of Netflix users into coughing up their account credentials with a Trojan horse application that doubled as a Netflix app for the Android platform. In a blog post, Symantec researcher Irfan Asrar writes about a new piece ...

'Spear phishing' latest ploy to steal data !

Consumers wary about protecting data stored on their computers should get used to hearing the term "spear phishing." It's the latest and most ingenious method yet to deliver malicious software that gives criminals control of a person's computer, with a tactic that involves developing emails which...

the windows shortcut file execution vulnerability and Defense strategies-vulnerability warning-the black bar safety net

Recently this loophole relatively fiery, simple to say is to construct a malicious shortcut can execute the file code. The vulnerability relates to XP, Vista, Win7, etc. almost all Windows platforms, U disk, mobile phone, digital camera, iPod, etc. all USB devices will become the Trojan of the...

Microsoft Excel未明远程代码执行漏洞

BUGTRAQ ID: 33870 CNCAN ID：CNCAN-2009022404 Microsoft Excel是一款微软开发的电子表格处理程序。 Microsoft Excel存在未明问题，远程攻击者可以利用漏洞以运行此程序的用户上下文执行任意指令。 目前没有详细漏洞细节提供。Symantec报告此漏洞，目前检测名为'Trojan.Mdropper.AC'。 Microsoft Excel 2007 SP1 Microsoft Excel 2007 厂商解决方案 目前没有解决方案提供： http://office.microsoft.com/excel...